BR112015016937A2 - drill bit - Google Patents

drill bit

Info

Publication number
BR112015016937A2
BR112015016937A2 BR112015016937A BR112015016937A BR112015016937A2 BR 112015016937 A2 BR112015016937 A2 BR 112015016937A2 BR 112015016937 A BR112015016937 A BR 112015016937A BR 112015016937 A BR112015016937 A BR 112015016937A BR 112015016937 A2 BR112015016937 A2 BR 112015016937A2
Authority
BR
Brazil
Prior art keywords
drill bit
blade
edge
leading edge
cutting
Prior art date
Application number
BR112015016937A
Other languages
Portuguese (pt)
Other versions
BR112015016937B1 (en
Inventor
John Denise
Graham Ryan
Williams Stephen
Original Assignee
Nov Downhole Eurasia Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nov Downhole Eurasia Ltd filed Critical Nov Downhole Eurasia Ltd
Publication of BR112015016937A2 publication Critical patent/BR112015016937A2/en
Publication of BR112015016937B1 publication Critical patent/BR112015016937B1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E21B10/55—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

1 / 1 resumo “broca de perfuraã‡ãƒo” uma broca de perfuraã§ã£o compreende pelo menos uma lã¢mina compreendendo uma pluralidade de elementos de corte na forma de cortadores de diamante policristalino dispostos sobre uma borda de ataque da lã¢mina, pelo menos uma regiã£o de corte impregnada de diamante, disposta atrã¡s da borda de ataque da lã¢mina, e que pelo menos um dos cortadores disposto na borda de ataque ã© um elemento de corte sem ponta, arranjado de modo que nã£o engate com a formaã§ã£o durante a perfuraã§ã£o atã© ocorrer o desgaste da broca.1 / 1 summary "Drill bit" A drill bit comprises at least one blade comprising a plurality of cutting elements in the form of polycrystalline diamond cutters disposed on an edge of edge of the blade, at least one cutting region impregnated with diamond, arranged behind the leading edge of the blade, and that at least one of the cutters arranged on the leading edge is a cutting element without tip, arranged so that it does not engage with the formation during drilling until wear of the bit occurs.

BR112015016937-6A 2013-01-16 2014-01-08 DRILLING DRILL BR112015016937B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB1302379.1A GB201302379D0 (en) 2013-01-16 2013-01-16 Drill bit
GB1302379.1 2013-01-16
PCT/GB2014/050041 WO2014111690A2 (en) 2013-01-16 2014-01-08 Drill bit

Publications (2)

Publication Number Publication Date
BR112015016937A2 true BR112015016937A2 (en) 2017-07-11
BR112015016937B1 BR112015016937B1 (en) 2021-10-26

Family

ID=47998932

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015016937-6A BR112015016937B1 (en) 2013-01-16 2014-01-08 DRILLING DRILL

Country Status (4)

Country Link
US (1) US9869131B2 (en)
BR (1) BR112015016937B1 (en)
GB (2) GB201302379D0 (en)
WO (1) WO2014111690A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11208847B2 (en) 2017-05-05 2021-12-28 Schlumberger Technology Corporation Stepped downhole tools and methods of use
CN108868625A (en) * 2017-05-12 2018-11-23 西南石油大学 A kind of combined cut diamond bit
CA3012543A1 (en) 2017-08-23 2019-02-23 Varel International Ind., L.L.C. Drill bit having shaped leading cutter and impregnated backup cutter
CA3015397A1 (en) 2017-10-10 2019-04-10 Varel International Ind., L.L.C. Drill bit having shaped impregnated shock studs and/or intermediate shaped cutter
WO2022169841A1 (en) * 2021-02-02 2022-08-11 Ulterra Drilling Technologies, L.P. Drill bit

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4991670A (en) 1984-07-19 1991-02-12 Reed Tool Company, Ltd. Rotary drill bit for use in drilling holes in subsurface earth formations
US5549171A (en) * 1994-08-10 1996-08-27 Smith International, Inc. Drill bit with performance-improving cutting structure
GB9712342D0 (en) 1997-06-14 1997-08-13 Camco Int Uk Ltd Improvements in or relating to rotary drill bits
US6659199B2 (en) 2001-08-13 2003-12-09 Baker Hughes Incorporated Bearing elements for drill bits, drill bits so equipped, and method of drilling
US20070267227A1 (en) * 2006-05-08 2007-11-22 Varel International Ind., L.P. Drill bit with staged durability, stability and rop characteristics
US7845435B2 (en) * 2007-04-05 2010-12-07 Baker Hughes Incorporated Hybrid drill bit and method of drilling
US20090084606A1 (en) 2007-10-01 2009-04-02 Doster Michael L Drill bits and tools for subterranean drilling
US7954571B2 (en) * 2007-10-02 2011-06-07 Baker Hughes Incorporated Cutting structures for casing component drillout and earth-boring drill bits including same
US9644428B2 (en) 2009-01-09 2017-05-09 Baker Hughes Incorporated Drill bit with a hybrid cutter profile
US8079430B2 (en) * 2009-04-22 2011-12-20 Baker Hughes Incorporated Drill bits and tools for subterranean drilling, methods of manufacturing such drill bits and tools and methods of off-center drilling
WO2011057303A2 (en) 2009-11-09 2011-05-12 Newtech Drilling Products, Llc. Drill bit with recessed center
US20120031671A1 (en) * 2010-08-03 2012-02-09 National Oilwell Varco, L.P. Drill Bits With Rolling Cone Reamer Sections

Also Published As

Publication number Publication date
US9869131B2 (en) 2018-01-16
GB2511411B (en) 2019-10-16
WO2014111690A3 (en) 2014-12-31
BR112015016937B1 (en) 2021-10-26
WO2014111690A2 (en) 2014-07-24
GB2511411A (en) 2014-09-03
GB201302379D0 (en) 2013-03-27
GB201400252D0 (en) 2014-02-26
US20150345228A1 (en) 2015-12-03

Similar Documents

Publication Publication Date Title
BR112015016937A2 (en) drill bit
MX351938B (en) A shaving blade cartridge.
ZA201405329B (en) Insert with offset apex for a cutter bit and a cutter bit having the same
MX2016003000A (en) Reamer blades exhibiting at least one of enhanced gage cutting element backrakes and exposures and reamers so equipped.
PE20150992A1 (en) DRILLING HOLES WITH WATER PATHWAYS OF AXIALLY DECREASING SECTION
BR112012007165A2 (en) twist drill
BR112017013536A2 (en) razor blade cartridge
CL2016001227A1 (en) Drills that have a blind hole for discharge and systems to use them
BR112013025566A2 (en) cutting head comprising a drill tip and a drill presented such a cutting head
TR201906989T4 (en) Drill bit with carving type and scissors type cutters.
CL2017002249A1 (en) Drilling augers with discharge
CL2019001580A1 (en) Serrated and enhanced cutting edge with a ceramic insert
CL2016000521A1 (en) Drilling string component
GB2523667A (en) Cutting insert for a rock drill bit
GB2537269A (en) Controlled blade flex for fixed cutter drill bits
GB2537266A (en) Cutting structure design with secondary cutter methodology
PL403877A1 (en) Float to the aircraft
EP2979793A4 (en) Insert for drill and cutting blade replacement-type drill
CL2017000427A1 (en) Drilling bit with low cut face
MX2015015586A (en) Systems and methods for optimizing existing wells and designing new wells based on the distribution of average effective fracture lengths.
MX2016014377A (en) Cutting tool with expandable cutter bases and nose section cutting capability.
BR112012019012A2 (en) snipping tool
BR112015030310A2 (en) witnessing through coating
ZA201402600B (en) Rotary drill bit with cutting insert having edge preparation
CR20140299A (en) UNIVERSAL RETRACTABLE SAFETY

Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 08/01/2014, OBSERVADAS AS CONDICOES LEGAIS.